After the demise of the CSL, North York joined the Canadian National Soccer League in 1993, and won the regular season championship.
The next year he signed with St. Catharines Wolves, and with them he finished second in the standings, and reached the postseason finals where they were defeated by his former club Toronto Italia.
[4] Midway through the CNSL 1997 season, Mossavat was signed by the new expansion franchise the Toronto Lynxof the USL A-League.
[5] Mossavat assisted the club in qualifying for the post season for the first time in the franchise's history, by finishing 4th in the Northeastern division.
[8] During the 2000 season, Mossavat was again instrumental in Toronto's exceptionally successful campaign where he led the Olympians to a 10-game undefeated streak, as well as claiming the Open Canada Cup in the process.
The victory in claiming the Open Cup marked the first time in the league's history a club winning the trophy three consecutive years in a row.